Exhibition News
2023/03/25
From April 7th-9th, 2023, Kailitech will take part in the 101st China Electronics Fair with Booth No. 9F015 at Shenzhen Convention and Exhibition Centre (Futian).
2023/03/25
Global Sources Consumer Electronics Show
From April 11th-14th, 2023, Kailitech will take part in the Global Sources Consumer Electronics Show with Booth No. 9J33 at Asia-World Expo, Hong Kong SAR.
2021/11/03
How many types of buzzers are there?
The buzzer, also known as the sounder, is a miniaturized electro-acoustic device, which working principle can be divided into two types: piezoelectric buzzers and electromagnetic buzzers. Each type has specific characteristics. Generally speaking, the piezo buzzers are of higher reliability, lower power consumption and higher sound pressure level.
2021/11/01
How to maintain active piezo buzzers?
As a kind of electronic buzzer, the main energy of active piezo buzzer is provided by direct current. There are many types of buzzers, which can be classified according to current, package, structure and driving mode. Among these many types, the most common ones are active buzzers and passive buzzers. Active piezo buzzer is a type of piezo buzzer, which is parallel with passive piezo buzzer.
2021/05/15
From 9th to 11th of June, 2021, Kailitech takes part in the The first Consumer Technology & Innovation Show (CTIS), which will take place at Shanghai New International Expo Center. Taking publicity, inspiration and networking as its core values, CTIS comprises three co-located shows: Global Technology & Innovations Show (GTIS), Global Electronics Show (GES) and Global Startups Launchpad (GSL), which focus on the complementary themes of technology, trade, and innovation respectively.
2021/05/08
The piezo buzzer uses the piezoelectric effect of the piezo ceramics and uses the pulse current to drive the vibration of the metal plate to generate sound and is widely used as a sounding device in electronic products such as computers, home appliances,consumer electronics, automotive electronic equipment and alarms.
2021/03/05
The passive piezoelectric buzzer generates sound based on the reaction of the piezoelectric effect. It is the basic principle that pressure change or strain is generated by applying an electric potential on a piezoelectric material. These passive piezo buzzers can be used to warn users of events corresponding to switch actions, counter signals or sensor inputs, as well as being used in alarm circuits. Regardless of the applied voltage changes, the passive piezo buzzer will generate the same noise. Most passive piezo buzzers will produce a sound of 2 to 4 kHz.
2023/04/11
Speaking of buzzers, we know two primary forms are piezoelectric buzzers, electromagnetic buzzers. both have active buzzers and passive buzzers. The piezoelectric buzzer has a piezoelectric buzzer plate, which contains two driving modes: self-drive buzzer and separately excited buzzer. So what are self-drive buzzers and separately excited buzzers?
2023/04/11
What is the difference between active and passive buzzer?
The buzzer, also known as the sounder, is a miniaturized electro-acoustic device, for which working principle can be divided into two types: piezoelectric buzzers and electromagnetic buzzers. Also, even these two categories can be further subdivided. Although it may be easy to distinguish piezo buzzers and magnetic buzzers, a lot of piezo buzzers sold online with no instructions whether they are active buzzers or passive buzzers. So how can we tell if it is passive or active?
2021/02/22
What is the function of the passive piezo buzzers?
The piezo buzzer is an electronic buzzer with an integrated structure powered by a DC/AC voltage and is widely used as a sounding device in electronic products such as computers, telephones, timers, printers, copiers, alarms, electronic toys, household appliances, automotive electronic equipment, etc.